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Finding the Fourth Proportional to 449,032.86, 673,093.52 and 383,488.46

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Solution

The fourth proportional to 449,032.86, 673,093.52 and 383,488.46 is: 574,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,032.86 : 673,093.52 = 383,488.46 : x
  2. Step 2: Convert to fraction form
    449,032.86/673,093.52 = 383,488.46/x
  3. Step 3: Cross multiply
    449,032.86x = 673,093.52 × 383,488.46
  4. Step 4: Simplify right side
    449,032.86x = 258,123,597,420.78
  5. Step 5: Solve for x
    x = 258,123,597,420.78/449,032.86
  6. Step 6: Final answer
    x = 574,843.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.